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CheckWeather USSan Clemente
Forecast confidence: Low · models disagree by 15°F

San Clemente weather

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Partly cloudy,rain likely tomorrow

NWS, the American and the European model put San Clemente's high today between 77° and 91°, a 15° split. Tomorrow looks drizzle around 82°, with a 87% chance of rain, and the models disagree, so treat it as uncertain.

84°63°
82°73°
87°74°
89°74°
91°75°
87°75°
Todaysplit ±15°Tomorrowsplit ±10°Mondaysplit ±12°Tuesdaysplit ±17°Wednesdaysplit ±21°Thursdaysplit ±18°
NWSNational Blend (NBM)
77°
Mostly clear
Today 77°·Low 65°·Rain 1%
AmericanNOAA GFS
83°
Partly cloudy
Today 83°·Low 59°·Rain 1%
EuropeanECMWF
91°
Partly cloudy
Today 91°·Low 65°·Rain 35%

The weather map: all three models at once

NWS, American, European side by side around San Clemente and nearby towns.Live rain radar →
Loading the three model maps…

Next 14 hours

consensus of the three models

14-day forecast

where the models agree, and where they split
Today
Partly cloudy
84° 63°
±15°
Tomorrow
Drizzle
82° 73°
±10°
Mon
Partly cloudy
87° 74°
±12°
Tue
Cloudy
89° 74°
±17°
Wed
Mostly clear
91° 75°
±21°
Thu
Clear
87° 75°
±18°
Fri
Clear
83° 71°
±15°
Sat
Partly cloudy
79° 69°
±9°
Sun
Partly cloudy
79° 67°
±12°
Mon
Clear
80° 67°
±11°
Tue
Light drizzle
82° 68°
±12°
Wed
Drizzle
87° 72°
models agree
Thu
Light drizzle
83° 72°
±11°
Fri
Clear
84° 71°
±15°

San Clemente, CA is at its warmest in Aug (average highs near 77°F) and coldest in Feb (lows around 48°F), with roughly 24 in of precipitation across the year. Below, compare what NWS, American, European forecast for San Clemente right now, and see exactly where they disagree.

We grade every model against the weather that actually happened, so you can see which forecast model is most accurate in United States before you trust any single number.

San Clemente climate by month

average daytime high and overnight low across a typical year
Jan
60°
49°
Feb
60°
48°
Mar
60°
50°
Apr
63°
52°
May
65°
55°
Jun
69°
59°
Jul
76°
62°
Aug
77°
64°
Sep
75°
63°
Oct
74°
59°
Nov
69°
53°
Dec
64°
51°

Which forecast is most accurate in San Clemente?

CheckWeather Score — graded against the weather that actually happened
ProviderCheckWeather Score🌡 Temp💨 Wind🌧 RainRun by
American logo
American ★ Best
92
/100rank #1
83±1.7°F97±1.0 mph100100% hitNOAA / NCEP (United States)College Park, Maryland, USA
European logo
European
64
/100rank #2
10±9.0°F98±0.8 mph100100% hitECMWF - European Centre for Medium-Range Weather ForecastsReading, United Kingdom

The CheckWeather Score blends temperature, wind and rain accuracy — each measured against ERA5 (the recorded weather) over the last 30 days across 1999 cities. Lower error means a higher score. See which forecast model is most accurate in United States, how we measure forecast accuracy, or which model each weather app uses.

Where the models disagree

temperature and rain, judged separately
DayTemperatureRain
Today±15°77° to 91°±34%1% to 35% chance
Tomorrow±10°77° to 87°±59%28% to 87% chance
Mon±12°79° to 91°±17%5% to 22% chance
Tue±17°80° to 97°±1%9% to 10% chance
Wed±21°81° to 101°±5%4% to 9% chance

The models often agree on temperature and still split on rain — and rain is usually what decides whether a plan survives. A wide rain range means the shower is genuinely uncertain, not that the forecast is wrong.

Sunrise and sunset in San Clemente

today, local time
Sunrise
06:27
Sunset
19:10
Daylight
12h 43m

Common questions

What's the weather in San Clemente today?
On this page we show what NWS, American, European each forecast for San Clemente today, side by side and updated live. When all three agree the forecast is reliable; when they split, we flag it so you know the day is genuinely less certain.
Will it rain in San Clemente today or tomorrow?
Check the hourly strip and 7-day forecast above. We compare rain from NWS, American, European for San Clemente and flag the days where the models disagree on whether showers actually arrive, which is exactly when a single app can catch you out.
Which forecast is most accurate for San Clemente?
Over the last 30 days, the American model has been the most accurate for San Clemente (CheckWeather Score 92/100), ahead of the European at 64. We grade every model against the recorded weather. See the US accuracy scoreboard for the full method.
What is the warmest month in San Clemente?
August is typically the warmest month in San Clemente, with average highs around 77°F.
How cold does San Clemente get?
The coldest month in San Clemente is February, when overnight lows average about 48°F.
How much rain does San Clemente get?
San Clemente sees roughly 24 in of precipitation a year, with February usually the wettest month.

Nearby

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